dross是什么意思

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用法例句

Besides,the process presnts stability and fastreaction,high rate of recovery of lead from waste baffery sludge.

讨论了ＰｂＯ＿２还原过程的热力学问题，并对ＦｅＳＯ＿４＋Ｈ＿２ＳＯ＿４还原转化剂处理废蓄电池泥渣中ＰｂＯ＿２及Ｐｂ过程进行了试验研究，热力学分析及试验结果表明：本研究的还原剂将ＰｂＯ＿２和Ｐｂ还原转化为ＰｂＳＯ＿４的热力学推动力大，反应速度快，工艺过程稳定以及Ｐｂ回收率高。

This paper describes a new hydrometallurgical method for recovery oflead from waste battery sludge with K_2CO_3 as eliminating sulphur agent and the combi-nation reducing agent developed by us.

本文研究了一种从废蓄电池泥渣中湿法回收铅的新工艺，该工艺以Ｋ＿２ＣＯ＿３脱硫，以自研的复合还原剂还原，以氟硅酸作电解液电冶Ｐｂ。

A significant fraction of this material can be expected to remain in the steam generators,accumulating as sludge and fouling on the top of the tubesheet and tube support plates,free span tube surfaces,crevices between the tube support plates and the tube walls.

核电站在运行时,腐蚀产物和杂质会从二回路迁移到蒸汽发生器中,这些物质中有很大一部分将残留在蒸汽发生器内,成为泥渣和污垢,并逐渐在管板和支撑板上部、管子表面、支撑板与管子的缝隙内沉积。

The phases in neodymium-cladding and slime were examined using XRD method after the determination of dissolvability.

2的NdF3-LiF电解质中的溶解度进行测定,分析了金属钕在电解质中溶解损失随温度的变化情况,使用X射线衍射分析法测定了溶解度实验后的金属外层包裹物以及钕电解槽中泥渣中的物相,对泥渣的成因和如何提高电流效率进行了探讨。

Block iron and waste residue were obtained by using hitting,screening and magnetic separation from steel slag and iron slag.

攀钢采用热焖工艺使钢渣粉化率达到92%,淘汰了传统的破碎、磁选工艺,并通过切割、自磨进一步提高了渣钢品位及回收率;对铁渣进行打砸、筛分和磁选,选出块铁和废渣,再利用球磨和重选工艺对废渣进行深加工,从而实现了钢渣、铁渣中铁资源的回收利用。

Metallurgy and chemical industry are primary source of iron cinder.

介绍了工业铁渣综合利用技术新进展,并对铁渣综合利用途径价值进行了分析。

Comprenensive utilization of Co - Ni - Cu ?bering iron cinder and Co - bering scrap alloy were studied.

研究了含钴、镍、铜铁渣及含钴废合金的综合利用,着重讨论了叔胺萃取分离钴铜与镍以及采用分段反萃分离钴与铜,以达到镍、钴、铜分别回收利用。

Overview comprehensive utilization and developing direction of iron and steel cinder in steel enterprise

综述钢铁企业钢铁渣的综合利用与发展方向

Road slag stone railway, road debris, processing and marketing.

铁路专用道渣石、路石渣、工、售。

pig iron containing a substantial proportion of slag.

含有大量矿渣的生铁。

ballast-tamping or cleaning railway car

铁道道渣夯具或清洗车

The Research on Preparing High Pure Iron Oxide Red Pigment from Pyrite Cinder;

硫铁矿烧渣制取高纯氧化铁红的研究

Cementing Testings of Middle Temperature Treatment for the Iron Tailings,Steel Slag and Oil Shale Residue

中温处理铁尾矿、钢渣及油页岩渣胶凝性能实验

Analyses that the slag iron of chain grate tail use at most one heating term, which must be changed every year.

链条炉排尾部的挡渣铁最多使用一个采暖期,每年均须更换挡渣铁。

The experiments on the separation of slag from hot metal during smelting with full V-Ti iron ore were carried out.

高炉冶炼全钒钛铁矿时通过改变造渣制度进行渣铁分离实验。

Phosphorus Distribution Equilibrium between Hot Metal Demanganization Pretreatment Slag-Hot Metal and BOF Slag-Molten Steel;

铁水预处理脱锰渣—铁水及转炉渣—钢水间磷的分配平衡

The tapholes lead to one or more runners with slag skimmers.

出铁口通向一条或多条装有撇渣器的铁水沟。

Effect of Slag (Iron Oxide)/Fe～(2+) on Nitrobenzene Reduction;

钢渣（铁氧化物）/亚铁离子还原硝基苯研究

Research on Preparing the Material of Soft Magnetism Ferrites Using Pyrite Cinder;

硫铁矿烧渣制备软磁铁氧体原料的研究

The Research on Preparing Composite Polymeric Ferric Sulfate Flocculants from Pyrite Cinder;

硫铁矿烧渣制取复合聚铁絮凝剂的研究

New Preparation Technology of High Purity Ferric Oxide Red from Pyrite Cinder;

用硫铁矿烧渣制备高纯氧化铁红新工艺的研究

Study on the Reaction Behavior of Preparation of Poly Ferric Sulfate from Pyrite Cinder;

硫铁矿烧渣制取聚合硫酸铁的反应行为研究

Preparation of feed-grade ferrous sulfate by waste acid from titanium dioxide production and pyrite cinder

由钛白废酸和硫铁矿烧渣制备饲料级硫酸亚铁

iron bar used to loosen and rake clinkers out of furnaces.

用来从炉子中松开倾斜煤渣的铁片。

excavator-screening machine, for railroad ballast not self-propelled

铁路道渣挖掘-筛分机,非自动推进式